What is thirty-four million plus two hundred fifty-six thousand times four hundred? write the answer in scientific notation

Step-by-step explanation:

To find : What is thirty-four million plus two hundred fifty-six thousand times four hundred?

Solution :

First we write the words in number form,

Thirty-four million - 34,000,000

Two hundred fifty-six thousand - 256000

Four hundred -  400

Two hundred fifty-six thousand times four hundred -

Now, We have to add

Thirty-four million plus two hundred fifty-six thousand times four hundred

i.e.  34000000+102400000 = 136400000

In scientific notation,

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!